package com.ynny.extends_.example02;

public class CylinderTest {

    public static void main(String[] args) {

        Cylinder cylinder = new Cylinder();
        //设置圆的半径 来自与父类
//        cylinder.setR(5);
//        //圆柱独特
//        cylinder.setHeight(10);

        double s = cylinder.findVolume();

        System.out.println("圆柱的体积：" + s);


    }
}
